SecBot SecBot
SC 13G ·Filed Sep 29, 2026

MRVI

MARAVAI LIFESCIENCES HOLDINGS, INC.
NEUTRAL
Impact 4/10
Horizonweeks Processed27d 18h ago SEC0001104659-26-112023
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any future conversion of this 13G to a 13D, which would signal activist intent. Millennium's repeated 13G filings suggest ongoing passive accumulation; a shift in filing type would be a material event.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
MRVI ▼ -3.00% at T+5d
NEUTRAL call -3.00% · α vs SPY -4.92% · entry $7.66 → $7.43
Next anchor: T+20d due 5h ago
Latest observation: T+17 -15.90% FF3 residual α
Entry = T+0 close
Sep 29, 2026
via day close
T+1d
-2.09%
call -2.09% · α -2.27%
$7.50
settled 27d ago
T+5d
-3.00%
call -3.00% · α -4.92%
$7.43
settled 21d ago
T+20d
Pending
due 5h ago
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Millennium Management LLC filed a Schedule 13G disclosing a 5.2% passive stake in Maravai LifeSciences Holdings, Inc., representing 7,773,149 shares of Class A Common Stock as of September 22, 2026. This is a new filing by Millennium, which had previously filed 13G amendments in June 2026 but without disclosed share counts. The stake is passive with no intent to influence control, consistent with Millennium's prior filings.

Key Financial Metrics

Stake
5.2%
Investor
Millennium Management LLC
Investor Type
hedge fund

Key Facts

  • Millennium Management LLC disclosed beneficial ownership of 7,773,149 shares of Maravai LifeSciences Holdings, Inc. Class A Common Stock.
  • The stake represents 5.2% of shares outstanding as of September 22, 2026.
  • The filing is a new Schedule 13G (not an amendment), filed under Rule 13d-1(c) as a passive investor.
  • The filing certifies the securities were not acquired with the purpose of changing or influencing control of the issuer.
  • Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander are joint filers.

Financial Impact

Passive 5.2% stake valued at approximately $7.8 million based on 7,773,149 shares; no financial impact from the filing itself.

Risk Factors

  • Millennium could convert to a 13D and launch an activist campaign, though no current indication.
  • A reduction in stake below 5% would remove disclosure requirements, potentially signaling reduced conviction.

Investment Themes

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0001104659-26-112023
Document: 0001104659-26-112023-index-headers.html0001104659-26-112023
Document: 0001104659-26-112023-index.html0001104659-26-112023
Document: 0001104659-26-112023.txt0001104659-26-112023
5 reports for MRVI
Performance horizon

Track record builds as more directional reports settle.

Filters
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Reports for MRVI — sortable, filterable
TypeNow
Sep 29, 2026
27d ago
SC 13G
NEUTRAL ★ 4/10
$7.66awaiting T+60—$8.15 (+6.39%)
Jun 14, 2026
19w ago
Institutional Cluster
MIXED ★ 4/10
$4.96 $6.95▲ +40.12%▲ +39.12%$8.15 (+64.31%)
Jun 3, 2026
20w ago
8-K
BULLISH ★ 6/10
$4.84 $8.37▲ +72.93%▲ +70.44%$8.15 (+68.38%)
Apr 27, 2026
26w ago
DEFA14A
NEUTRAL ★ 1/10
$3.56 $7.05▲ +98.03%▲ +94.04%$8.15 (+128.92%)
Feb 26, 2026
34w ago
8-K
MIXED ★ 6/10
$3.56 $4.40▲ +23.60%▲ +15.42%$8.15 (+128.92%)
Showing 5 of 5

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Report published Sep 29, 2026